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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Current Assets    
Cash $ 45,359 $ 87,126
Trade receivables, net 53,154 69,442
Gross inventories 99,919 99,417
Less LIFO reserve (44,716) (42,542)
Less excess and obsolescence reserve (3,034) (2,340)
Net inventories 52,169 54,535
Prepaid expenses and other current assets 2,602 3,660
Total Current Assets 153,284 214,763
Property, plant and equipment 344,626 331,639
Less allowances for depreciation (252,984) (227,398)
Net property, plant and equipment 91,642 104,241
Deferred income taxes 334
Other assets 32,602 27,541
Total Assets 277,528 346,879
Current Liabilities    
Trade accounts payable and accrued expenses 30,841 48,493
Product liability 1,170 1,733
Employee compensation and benefits 14,693 25,467
Workers' compensation 5,047 5,200
Income taxes payable 2,578
Total Current Liabilities 54,329 80,893
Product liability 100 86
Deferred income taxes 591
Contingent liabilities - Note 11
Stockholders' Equity    
Common Stock 24,092 24,034
Additional paid-in capital 27,318 27,211
Retained earnings 314,693 293,400
Less: Treasury stock - at cost 2017 - 6,665,398 shares 2016 - 5,345,690 shares (143,595) (78,745)
Total Stockholders' Equity 222,508 265,900
Total Liabilities and Stockholders' Equity 277,528 346,879
Nonvoting Common Stock [Member]    
Stockholders' Equity    
Common Stock
Common Stock [Member]    
Stockholders' Equity    
Common Stock $ 24,092 $ 24,034